Table 1.
Glucose control measures by scan rate group
| Scan rate* (scans/day) | Estimated HbA1c (%) | Min/day (%) | Hours/day (%) | Glucose SD (mg/dL) | Glucose CV (%) | ||
| ≤54 mg/dL | <70 mg/dL | 70–180 mg/dL | >180 mg/dL | ||||
| 3.9 | 8.05 | 46.8 (3.2) | 99.2 (6.9) | 11.5 (47.8) | 10.9 (45.4) | 78.2 | 42.2 |
| 5.3 | 7.82 | 48.7 (3.4) | 104.9 (7.3) | 12 (50.1) | 10.2 (42.7) | 76.3 | 42.8 |
| 6.3 | 7.68 | 50.4 (3.5) | 110.4 (7.7) | 12.4 (51.5) | 9.8 (40.9) | 74.2 | 42.4 |
| 7.1 | 7.67 | 45.7 (3.2) | 103.1 (7.2) | 12.4 (51.8) | 9.8 (41.0) | 73.0 | 42.1 |
| 7.8 | 7.61 | 42.4 (2.9) | 99.9 (6.9) | 12.7 (52.8) | 9.7 (40.3) | 72.3 | 41.9 |
| 8.5 | 7.51 | 42.3 (2.9) | 98.9 (6.9) | 13.0 (54.2) | 9.3 (38.9) | 70.0 | 41.3 |
| 9.1 | 7.49 | 40.6 (2.8) | 97.5 (6.8) | 13.1 (54.5) | 9.3 (38.7) | 69.2 | 41.1 |
| 9.8 | 7.45 | 40.5 (2.8) | 98.3 (6.8) | 13.3 (55.4) | 9.1 (37.7) | 69.0 | 41.2 |
| 10.4 | 7.42 | 39.3 (2.7) | 96.7 (6.7) | 13.4 (55.7) | 9.0 (37.6) | 68.3 | 41.0 |
| 10.9 | 7.32 | 38.1 (2.6) | 95.6 (6.6) | 13.8 (57.6) | 8.6 (35.7) | 66.2 | 40.5 |
| 11.5 | 7.35 | 37.2 (2.6) | 93.9 (6.5) | 13.7 (57.1) | 8.7 (36.4) | 66.2 | 40.3 |
| 12.1 | 7.33 | 34.1 (2.4) | 90.8 (6.3) | 13.9 (57.8) | 8.6 (35.9) | 65.3 | 39.9 |
| 12.9 | 7.34 | 35.4 (2.5) | 92.1 (6.4) | 13.7 (57.3) | 8.7 (36.3) | 65.6 | 40.0 |
| 13.8 | 7.31 | 33.5 (2.3) | 89.7 (6.2) | 13.9 (58.0) | 8.6 (35.8) | 65.3 | 40.0 |
| 14.9 | 7.23 | 36.3 (2.5) | 94.3 (6.6) | 14.2 (59.0) | 8.3 (34.4) | 64.3 | 39.9 |
| 16.3 | 7.15 | 36.9 (2.6) | 95.2 (6.6) | 14.4 (60.1) | 8.0 (33.3) | 62.8 | 39.6 |
| 18.1 | 7.15 | 33.8 (2.3) | 91.1 (6.3) | 14.6 (60.7) | 7.9 (32.9) | 62.2 | 39.1 |
| 20.7 | 7.17 | 30.5 (2.1) | 84.2 (5.8) | 14.7 (61.2) | 7.9 (33.0) | 61.3 | 38.5 |
| 25.0 | 7.08 | 31.2 (2.2) | 86.1 (6.0) | 15.0 (62.6) | 7.6 (31.5) | 60.2 | 38.4 |
| 39.6 | 6.93 | 29.7 (2.1) | 85.3 (5.9) | 15.6 (65.2) | 6.9 (28.9) | 55.8 | 36.5 |
*Each scan rate group contains n=1147 except for the highest group which contains n=1156.
CV, coefficient of variation.